Tinvhy 10-Pack 1/8In X 5In Machinist Parallel Set 0.0002In Hardened Precision
1/2in to 1-5/8in gages harden steel machinist tool,Each parallel is 1/8in thick x 5in long with two holes on the body,For precision clamping of parts in drilling, boring, milling, grinding, assembly work,Made from high quality tool steel- stress relieved against distortion, precision ground and hardened,Complete with durable plastic case.